التفاصيل البيبلوغرافية
| العنوان: |
Performance Evaluation of Metallic Honeycomb and Gyroid Micro-lattice Structures for Armoured Fighting Vehicles. |
| المؤلفون: |
Reddy, B. Veera Siva, Shaik, Ameer Malik, Sundeep, Dola, Chebiyyam, Chandrasekhara Sastry, Krishnaiah, J., Chandrasekhar, U. |
| المصدر: |
Transactions of the Indian Institute of Metals; Mar2024, Vol. 77 Issue 3, p615-626, 12p |
| مستخلص: |
In defence applications, blast mitigation for armoured fighting vehicles underbody protection is vital. To overcome the weight limitations of conventional materials, a modular test coupon solution was developed using A286 micro-metallic honeycomb and gyroid lattice structures via laser powder bed fusion. Ultrasound imaging showcased significant improvements in flaws after heat treatment, enhancing internal structures and mechanical properties. Surface morphology revealed optimized grain structures with enhanced toughness and residual stresses. Compression tests demonstrated a reduction in compressive residual stress by 6.4 to 22.2% for honeycomb and 10.02 to 18.74% for gyroid post-compression. Lattice strain analysis indicated improved structural stability and alignment after compression in honeycomb structures. The present research exhibited enhanced surface characteristics, lower displacement for higher loads, and increased stiffness, rendering lattice structures effective for blast mitigation in armoured fighting vehicles. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
Complementary Index |